Executing tasks in parallel

Question

Ok, so basically I have a bunch of tasks (10) and I want to start them all at the same time and wait for them to complete. When completed I want to execute other tasks. I re

Answer 1

Just also add a try-catch block around the Task.WhenAll

NB: An instance of System.AggregateException is thrown that acts as a wrapper around one or more exceptions that have occurred. This is important for methods that coordinate multiple tasks like Task.WaitAll() and Task.WaitAny() so the AggregateException is able to wrap all the exceptions within the running tasks that have occurred.

try
{ 
    Task.WaitAll(tasks.ToArray());  
}
catch(AggregateException ex)
{ 
    foreach (Exception inner in ex.InnerExceptions)
    {
    Console.WriteLine(String.Format("Exception type {0} from {1}", inner.GetType(), inner.Source));
    }
}